/ˌmʌltiˈlætərəl ˈtriːti/ – Phrase
Definition: hiệp định đa phương, hiệp định nhiều bên.
A more thorough explanation: A multilateral treaty is a legally binding agreement between three or more countries or parties, governing specific issues or areas of international relations.
Example: The United Nations Convention on the Law of the Sea is a multilateral treaty that establishes the legal framework for the use of the world’s oceans and resources.